class Kramdown::Converter::Html

def convert_root(el, indent)
  result = inner(el, indent)
  if @footnote_location
    result.sub!(/#{@footnote_location}/, footnote_content.gsub(/\\/, "\\\\\\\\"))
  else
    result << footnote_content
  end
  if @toc_code
    toc_tree = generate_toc_tree(@toc, @toc_code[0], @toc_code[1] || {})
    text = if !toc_tree.children.empty?
             convert(toc_tree, 0)
           else
             ''
           end
    result.sub!(/#{@toc_code.last}/, text.gsub(/\\/, "\\\\\\\\"))
  end
  result
end